M1.6 earthquake 25km NNE of Hamilton Branch, CA

Magnitude

1.6 (Md, duration), micro

Magnitude from

Northern California Seismic System

Local time

Wed, May 12, 2021, 7:53 PM PDT

UTC

2021-05-13 02:53:13 UTC

Depth

2.0 km (1.2 mi), shallow

Epicenter

40.481° N, 120.971° W

Region

California

Tsunami flag

No

Status

Reviewed by a seismologist

Location uncertainty

About 0.6 km horizontally, 2.7 km in depth

Magnitude uncertainty

±0.26

Depth from

From location

Station coverage gap

119°

Stations used

12

• Westwood, CaliforniaPopulation 1,647. Forecast20 kmN
• Susanville, CaliforniaPopulation 15,247. Forecast28 kmWNW
• Chico, CaliforniaPopulation 121,345. Forecast111 kmNE
• Los Angeles, CaliforniaPopulation 3,820,914. Forecast754 kmNNW

After

1. 2.01km NW of Lake Davis, CASat, May 15, 5:09 PM PDT · 1968 days ago · 4 km deep · 80 km away
2. 1.69km E of Millville, CAThu, May 20, 8:03 AM PDT · 1963 days ago · 11 km deep · 94 km away
3. 2.20km WNW of Lake Davis, CASat, May 22, 9:05 AM PDT · 1961 days ago · 3 km deep · 80 km away
4. 2.21km WNW of Lake Davis, CASat, May 22, 4:32 PM PDT · 1961 days ago · 4 km deep · 80 km away · felt by 1
5. 2.10km NE of Lake Davis, CASat, May 22, 5:26 PM PDT · 1961 days ago · 5 km deep · 80 km away
6. 2.50km NW of Lake Davis, CASat, May 22, 6:10 PM PDT · 1961 days ago · 3 km deep · 80 km away · felt by 2
7. 2.40km NNW of Lake Davis, CASat, May 22, 6:58 PM PDT · 1961 days ago · 4 km deep · 80 km away · felt by 2
8. 3.00km NNW of Lake Davis, CASun, May 23, 2:18 AM PDT · 1961 days ago · 4 km deep · 80 km away · felt by 35
9. 2.80km ESE of Lake Davis, CASun, May 23, 2:18 AM PDT · 1961 days ago · 4 km deep · 80 km away · felt by 5
10. 2.21km WNW of Lake Davis, CASun, May 23, 4:42 AM PDT · 1960 days ago · -2 km deep · 79 km away
11. 2.80km N of Lake Davis, CASun, May 23, 10:20 AM PDT · 1960 days ago · 4 km deep · 80 km away · felt by 14
12. 2.01km NW of Lake Davis, CASun, May 23, 4:10 PM PDT · 1960 days ago · 5 km deep · 80 km away
13. 2.11km WNW of Lake Davis, CAMon, May 24, 7:15 AM PDT · 1959 days ago · -1 km deep · 79 km away
14. 2.41km NW of Lake Davis, CAMon, May 24, 8:29 AM PDT · 1959 days ago · 3 km deep · 79 km away · felt by 2
15. 2.51km NW of Lake Davis, CAMon, May 24, 9:41 AM PDT · 1959 days ago · 4 km deep · 79 km away · felt by 5
16. 2.114km SE of Honey Lake, CAMon, May 24, 11:33 AM PDT · 1959 days ago · 12 km deep · 74 km away · felt by 1
17. 1.920km NE of Red Bluff, CATue, May 25, 2:45 AM PDT · 1958 days ago · 10 km deep · 97 km away
18. 1.67 km ENE of Cromberg, CaliforniaTue, May 25, 12:03 PM PDT · 1958 days ago · 7 km deep · 72 km away
19. 2.60km W of Lake Davis, CAThu, May 27, 5:27 PM PDT · 1956 days ago · 3 km deep · 80 km away · felt by 3
20. 1.74km NNE of Canyondam, CATue, Jun 1, 10:07 AM PDT · 1951 days ago · 8 km deep · 32 km away
21. 1.63km ENE of Prattville, CAFri, Jun 4, 6:17 PM PDT · 1948 days ago · 7 km deep · 32 km away
22. 1.813 km ESE of Herlong, CaliforniaTue, Jun 8, 12:04 AM PDT · 1945 days ago · 7 km deep · 94 km away
23. 1.80 km S of Lake Davis, CaliforniaWed, Jun 9, 2:36 AM PDT · 1943 days ago · 7 km deep · 80 km away
24. 2.32km N of Canyondam, CAWed, Jun 9, 4:56 PM PDT · 1943 days ago · 5 km deep · 34 km away
25. 2.14km SSW of East Shore, CAWed, Jun 9, 6:25 PM PDT · 1943 days ago · 5 km deep · 32 km away
26. 2.02km SW of McArthur, CASat, Jun 12, 1:04 PM PDT · 1940 days ago · 12 km deep · 72 km away
27. 1.51km WSW of Canyondam, CATue, Jun 15, 1:00 PM PDT · 1937 days ago · 10 km deep · 37 km away
28. 1.613km SW of Almanor, CAWed, Jun 16, 7:58 PM PDT · 1936 days ago · 9 km deep · 47 km away
29. 1.514km WSW of Almanor, CAFri, Jun 18, 1:55 PM PDT · 1934 days ago · 11 km deep · 47 km away
30. 1.514km N of Shingletown, CASun, Jun 20, 6:25 PM PDT · 1932 days ago · 12 km deep · 80 km away
31. 2.111km W of Almanor, CAMon, Jun 21, 10:22 PM PDT · 1931 days ago · 5 km deep · 41 km away
32. 2.110km W of Almanor, CATue, Jun 22, 3:26 PM PDT · 1930 days ago · 8 km deep · 40 km away
33. 1.919km NW of McArthur, CAFri, Jun 25, 12:24 AM PDT · 1928 days ago · 4 km deep · 91 km away
34. 1.54km S of Canyondam, CAFri, Jun 25, 3:14 PM PDT · 1927 days ago · 4 km deep · 39 km away
35. 1.614km NNE of Mineral, CASat, Jun 26, 3:20 AM PDT · 1926 days ago · 3 km deep · 46 km away
36. 1.515km ENE of Mineral, CAMon, Jun 28, 12:28 PM PDT · 1924 days ago · 5 km deep · 37 km away
37. 1.78km WNW of Chester, CAMon, Jun 28, 8:44 PM PDT · 1924 days ago · 6 km deep · 33 km away
38. 1.610km WSW of Round Mountain, CATue, Jun 29, 2:23 PM PDT · 1923 days ago · 12 km deep · 98 km away
39. 2.26km SSE of Quincy, CAWed, Jun 30, 3:24 PM PDT · 1922 days ago · 9 km deep · 66 km away
40. 1.56 km SSE of Quincy, CaliforniaThu, Jul 1, 10:22 PM PDT · 1921 days ago · 4 km deep · 67 km away
41. 2.548km NNW of Susanville, CASun, Jul 4, 6:03 PM PDT · 1918 days ago · 14 km deep · 38 km away
42. 1.85km W of Paradise, CAThu, Jul 8, 12:10 PM PDT · 1914 days ago · 0 km deep · 100 km away

Before

1. 1.833km NNW of Susanville, CAWed, May 12, 11:17 AM PDT · 1971 days ago · 13 km deep · 27 km away
2. 1.913km W of Shingletown, CASun, May 9, 7:01 AM PDT · 1974 days ago · 17 km deep · 91 km away
3. 1.72km NE of Chester, CASun, May 9, 6:35 AM PDT · 1974 days ago · 10 km deep · 27 km away
4. 2.219km WSW of Manton, CAThu, Apr 29, 12:23 AM PDT · 1985 days ago · 15 km deep · 93 km away
5. 1.818km WSW of Almanor, CAFri, Apr 23, 9:55 PM PDT · 1990 days ago · 11 km deep · 49 km away
6. 2.010km WNW of Viola, CAFri, Apr 23, 10:08 AM PDT · 1990 days ago · 10 km deep · 69 km away
7. 1.89km ESE of Millville, CAThu, Apr 22, 1:19 PM PDT · 1991 days ago · 16 km deep · 94 km away
8. 2.19km NNE of Burney, CAFri, Apr 16, 11:47 AM PDT · 1997 days ago · 13 km deep · 77 km away
9. 1.814km NNW of Viola, CAWed, Apr 14, 12:29 PM PDT · 1999 days ago · 0 km deep · 67 km away
10. 1.921km SE of Anderson, CAWed, Apr 14, 10:41 AM PDT · 1999 days ago · 12 km deep · 97 km away

From the USGS Earthquake Hazards Program and its partner networks, event nc73561860. Read Sun, Oct 4, 2026, 9:00 PM UTC.